Pest vs. Insect

Pestnoun

(originally) A plague, pestilence, epidemic

Pestnoun

Any destructive insect or caterpillar that attacks crops or livestock; an agricultural pest.

Pestnoun

An annoying person, a nuisance.

Pestnoun

An animal regarded as a nuisance, destructive, or a parasite, vermin.

Pestnoun

An invasive weed.

Pestnoun

A fatal epidemic disease; a pestilence; specif., the plague.

Pestnoun

Anything which resembles a pest; one who, or that which, is troublesome, noxious, mischievous, or destructive; a nuisance.

Pestnoun

a persistently annoying person

Insectnoun

An arthropod in the class Insecta, characterized by six legs, up to four wings, and a chitinous exoskeleton.

Insectnoun

(colloquial) Any small arthropod similar to an insect including spiders, centipedes, millipedes, etc

Insectnoun

(derogatory) A contemptible or powerless person.

Insectnoun

One of the Insecta; esp., one of the Hexapoda. See Insecta.

Insectnoun

Any air-breathing arthropod, as a spider or scorpion.

Insectnoun

Any small crustacean. In a wider sense, the word is often loosely applied to various small invertebrates.

Insectnoun

Fig.: Any small, trivial, or contemptible person or thing.

Insectadjective

Of or pertaining to an insect or insects.

Insectadjective

Like an insect; small; mean; ephemeral.

Insectnoun

small air-breathing arthropod

Insectnoun

a person who has a nasty or unethical character undeserving of respect

Insectnoun

a small arthropod animal that has six legs and generally one or two pairs of wings

Insectnoun

any small invertebrate animal such as a spider or tick.

Insect

Insects or Insecta (from Latin insectum) are pancrustacean hexapod invertebrates and the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae.